<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
  </head>
  <body>
    <script type="text/javascript">
      class Human {
        constructor(name) {
          this.name = name
          this.kingdom = 'animal'
          this.color = ['yellow', 'white', 'brown', 'black']
        }
        // 补全代码
        getName() {
          return this.name
        }
      }
      /**
       * 请补全JavaScript代码，完成类的继承。要求如下：
        1. "Chinese"类继承于"Human"类
        2. "Human"类实现一个函数"getName"，返回该实例的"name"属性
        3. "Chinese"类构造函数有两个参数，分别为"name"、"age"
        4. "Chinese"类实现一个函数"getAge"，返回该实例的"age"属性
      */
      // 补全代码
      class Chinese extends Human {
        constructor(name, age) {
          super(name)
          this.age = age
        }
        getAge() {
          return this.age
        }
      }
    </script>
  </body>
</html>
